It sounds like you’re trying to track down a specific driver for the OKI PT330 thermal printer but keep running into suspicious "trmds" links. This is a common frustration with legacy hardware, where official sites often hide or remove old files, leaving a vacuum filled by sketchy third-party "driver download" blogs.
The installer offers an optional telemetry module; disabling it during installation prevents the driver from reporting usage statistics. The firmware helper requires elevated privileges — expected, but note that firmware operations should only be run when devices are on a reliable power source. Oki Pt 330 Driver Downloadtrmds 5
Accessing the Windows driver feature that can shrink vertical print sizes by up to 50%. It sounds like you’re trying to track down